Move all Animation code to ABC/ABS Header Transformers.
Add getHeaderView() method to DefaultHeaderTransformer
Merge branch 'development' into animation
Delegate the HeaderTransformers visibility state to HeaderTransformers
Fix samples after a4ccbe3fc87b7a8a7c41a93d88ae92731d54dd49
First go at using Property Animations for ICS+. Needs tweaking.
Add Fade Animation too
Move View Animation resource files to extras
Tweak the ICS show/hide animators
Fix abs and abc extras